78289470

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1801}}^1$

素因数の和:1847

約数の個数: 128

約数和(自身を含む): 249108480

約数和(自身を除く): 170819010

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 27, 30, 35, 42, 45, 46, 54, 63, 69, 70, 90, 105, 115, 126, 135, 138, 161, 189, 207, 210, 230, 270, 315, 322, 345, 378, 414, 483, 621, 630, 690, 805, 945, 966, 1035, 1242, 1449, 1610, 1801, 1890, 2070, 2415, 2898, 3105, 3602, 4347, 4830, 5403, 6210, 7245, 8694, 9005, 10806, 12607, 14490, 16209, 18010, 21735, 25214, 27015, 32418, 37821, 41423, 43470, 48627, 54030, 63035, 75642, 81045, 82846, 97254, 113463, 124269, 126070, 162090, 189105, 207115, 226926, 243135, 248538, 289961, 340389, 372807, 378210, 414230, 486270, 567315, 579922, 621345, 680778, 745614, 869883, 1118421, 1134630, 1242690, 1449805, 1701945, 1739766, 1864035, 2236842, 2609649, 2899610, 3403890, 3728070, 4349415, 5219298, 5592105, 7828947, 8698830, 11184210, 13048245, 15657894, 26096490, 39144735, 78289470]

約数ペア:

[(1, 78289470), (2, 39144735), (3, 26096490), (5, 15657894), (6, 13048245), (7, 11184210), (9, 8698830), (10, 7828947), (14, 5592105), (15, 5219298), (18, 4349415), (21, 3728070), (23, 3403890), (27, 2899610), (30, 2609649), (35, 2236842), (42, 1864035), (45, 1739766), (46, 1701945), (54, 1449805), (63, 1242690), (69, 1134630), (70, 1118421), (90, 869883), (105, 745614), (115, 680778), (126, 621345), (135, 579922), (138, 567315), (161, 486270), (189, 414230), (207, 378210), (210, 372807), (230, 340389), (270, 289961), (315, 248538), (322, 243135), (345, 226926), (378, 207115), (414, 189105), (483, 162090), (621, 126070), (630, 124269), (690, 113463), (805, 97254), (945, 82846), (966, 81045), (1035, 75642), (1242, 63035), (1449, 54030), (1610, 48627), (1801, 43470), (1890, 41423), (2070, 37821), (2415, 32418), (2898, 27015), (3105, 25214), (3602, 21735), (4347, 18010), (4830, 16209), (5403, 14490), (6210, 12607), (7245, 10806), (8694, 9005)]